Enter the MotorWeek Ultimate Automotive Experience Sweepstakes for a chance to win a Vegas supercar road tour of Red Rock Canyon, deluxe accommodations at ARIA Resort & Casino, and more. Enter at www.motorweek.org/sweepstakes. Ends 10/29/12. Open to legal residents of the 48 contiguous U.S. & D.C., 21 or older. No purchase necessary. Travel must be taken Dec. 4-6,2012.